ATE520146T1 - HIGH PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT WITH SUCH A LAMP - Google Patents

HIGH PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT WITH SUCH A LAMP

Info

Publication number
ATE520146T1
ATE520146T1 AT08804350T AT08804350T ATE520146T1 AT E520146 T1 ATE520146 T1 AT E520146T1 AT 08804350 T AT08804350 T AT 08804350T AT 08804350 T AT08804350 T AT 08804350T AT E520146 T1 ATE520146 T1 AT E520146T1
Authority
AT
Austria
Prior art keywords
lamp
partial coating
pressure discharge
discharge
high pressure
Prior art date
Application number
AT08804350T
Other languages
German (de)
Inventor
Marc Luennemann
Oliver Hering
Original Assignee
Osram Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osram Gmbh filed Critical Osram Gmbh
Application granted granted Critical
Publication of ATE520146T1 publication Critical patent/ATE520146T1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

A high-pressure discharge lamp may include at least one discharge vessel; and two electrodes, which extend into a discharge space of the discharge vessel and between which a light-emitting discharge arc is formed during operation of the high-pressure discharge lamp, wherein a partial coating is applied to a circumferential surface of the lamp in the region of an end section, on the discharge space side, of at least one of the electrodes, said partial coating changing the luminance and color temperature of the emitted light.
AT08804350T 2007-09-28 2008-09-18 HIGH PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT WITH SUCH A LAMP ATE520146T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007046559A DE102007046559A1 (en) 2007-09-28 2007-09-28 High-pressure discharge lamp with partial coating and vehicle headlights with such a lamp
PCT/EP2008/062406 WO2009043726A1 (en) 2007-09-28 2008-09-18 High-pressure discharge lamp with partial coating and vehicle headlight comprising said lamp

Publications (1)

Publication Number Publication Date
ATE520146T1 true ATE520146T1 (en) 2011-08-15

Family

ID=40276017

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08804350T ATE520146T1 (en) 2007-09-28 2008-09-18 HIGH PRESSURE DISCHARGE LAMP WITH PARTIAL COATING AND VEHICLE HEADLIGHT WITH SUCH A LAMP

Country Status (7)

Country Link
US (1) US20100194264A1 (en)
EP (1) EP2191494B1 (en)
JP (1) JP5101700B2 (en)
CN (1) CN101809707A (en)
AT (1) ATE520146T1 (en)
DE (1) DE102007046559A1 (en)
WO (1) WO2009043726A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5343768B2 (en) * 2009-09-01 2013-11-13 ウシオ電機株式会社 High pressure discharge lamp
DE102011076212A1 (en) * 2011-05-20 2012-11-22 Osram Ag DISCHARGE LAMP
US9607821B2 (en) * 2011-09-13 2017-03-28 Osram Sylvania Inc. Modified spectrum incandescent lamp

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6087156U (en) * 1983-11-16 1985-06-15 東芝ライテック株式会社 small metal halide lamp
JP2974193B2 (en) * 1992-05-15 1999-11-08 松下電子工業株式会社 Metal halide lamps for automotive headlights
US5708328A (en) * 1992-06-03 1998-01-13 General Electric Company Universal burn metal halide lamp
EP0682356B1 (en) 1994-05-12 2000-01-26 Iwasaki Electric Co., Ltd. Metal halide lamp
JPH1196974A (en) * 1997-09-18 1999-04-09 Iwasaki Electric Co Ltd Metal halide lamp with transparent insulation film
JP3603723B2 (en) * 1999-03-26 2004-12-22 松下電工株式会社 Metal halide lamp and discharge lamp lighting device
EP1168417A1 (en) * 2000-06-26 2002-01-02 General Electric Company Incandescent lamp with an IR reflective coating and a fully reflective end coating
DE10204691C1 (en) 2002-02-06 2003-04-24 Philips Corp Intellectual Pty Mercury-free, high-intensity, high pressure gas discharge lamp for vehicle headlights, has infra-red reflecting coating on lower wall to promote vaporization
DE10222954A1 (en) * 2002-05-24 2003-12-04 Philips Intellectual Property High-pressure gas discharge lamp
DE10247983A1 (en) 2002-07-23 2004-02-05 Philips Intellectual Property & Standards Gmbh lamp
JP2004220867A (en) * 2003-01-10 2004-08-05 Koito Mfg Co Ltd Discharge bulb
DE102004043636A1 (en) 2004-09-07 2006-03-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Mercury-free halogen metal-vapor high-pressure discharge lamp for vehicle headlight, has discharge vessel provided partially with coating, so that capacitive coupling is produced between coating and electrode and/or power supply lines
JP2006134656A (en) * 2004-11-04 2006-05-25 Harison Toshiba Lighting Corp Metal halide lamp
JP2007026921A (en) * 2005-07-19 2007-02-01 Koito Mfg Co Ltd Discharge bulb for automobile

Also Published As

Publication number Publication date
EP2191494A1 (en) 2010-06-02
EP2191494B1 (en) 2011-08-10
JP2010541142A (en) 2010-12-24
DE102007046559A1 (en) 2009-04-02
CN101809707A (en) 2010-08-18
WO2009043726A1 (en) 2009-04-09
JP5101700B2 (en) 2012-12-19
US20100194264A1 (en) 2010-08-05

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